The term 'Islamic Group' can be summarized by the crossword solution of 'Shia, ' which is a branch of Islam that is based on the teachings of the Prophet Muhammad and his family. Shia Muslims believe that Ali, the cousin and son-in-law of Muhammad, was the rightful successor to the Prophet and the first Imam. They also believe in the concept of Imamah, which is the spiritual and political leadership of the Islamic community by a divinely appointed leader.